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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>iserror</b> -  error occurence test</p>
    <h3>
      <font color="blue">Calling Sequence</font>
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        <tt>iserror([n])  </tt>
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    <h3>
      <font color="blue">Description</font>
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    <p>
    tests if error number <tt>
        <b>n</b>
      </tt> has occurred (after a call to
    <tt>
        <b>errcatch</b>
      </tt>). <tt>
        <b>iserror</b>
      </tt> returns <tt>
        <b>1</b>
      </tt> if the error occurred a
    nd <tt>
        <b>0</b>
      </tt> otherwise</p>
    <p>
      <tt>
        <b>n&gt;0</b>
      </tt> is the error number ; all errors are tested with <tt>
        <b>n&lt;0</b>
      </tt>.</p>
    <h3>
      <font color="blue">See Also</font>
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    <p>
      <a href="error.htm">
        <tt>
          <b>error</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="errcatch.htm">
        <tt>
          <b>errcatch</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
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